Finding the Fourth Proportional to 9,348.32, 12,899.22 and 5,368.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,348.32 : 12,899.22 = 5,368.88 : x
2. Step 2: Convert to fraction form
   9,348.32/12,899.22 = 5,368.88/x
3. Step 3: Cross multiply
   9,348.32x = 12,899.22 × 5,368.88
4. Step 4: Simplify right side
   9,348.32x = 69,254,364.27
5. Step 5: Solve for x
   x = 69,254,364.27/9,348.32
6. Step 6: Final answer
   x = 7,408.21